Home / 7,342.25-10,135.23-4,985.75

Finding the Fourth Proportional to 7,342.25, 10,135.23 and 4,985.75

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Solution

The fourth proportional to 7,342.25, 10,135.23 and 4,985.75 is: 6,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.25 : 10,135.23 = 4,985.75 : x
  2. Step 2: Convert to fraction form
    7,342.25/10,135.23 = 4,985.75/x
  3. Step 3: Cross multiply
    7,342.25x = 10,135.23 × 4,985.75
  4. Step 4: Simplify right side
    7,342.25x = 50,531,729.61
  5. Step 5: Solve for x
    x = 50,531,729.61/7,342.25
  6. Step 6: Final answer
    x = 6,882.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.